TweetDumprhttp://bradkellett.com/tweetdumpr/?go
This is a hideous tool that can be used to export your entire Twitter timeline to a CSV file, readable by any spreadsheet application (Excel, Numbers, etc.). Exported data includes the tweet plus a timestamp of when it was sent.2008-06-29T12:58:51Zspringnet**, springnet, timeline, exort, twitter, springnet blogmarks

This is a hideous tool that can be used to export your entire Twitter timeline to a CSV file, readable by any spreadsheet application (Excel, Numbers, etc.). Exported data includes the tweet plus a timestamp of when it was sent.